CN104005893A - Wall surface variable impingent spray testing constant volume bomb - Google Patents
Wall surface variable impingent spray testing constant volume bomb Download PDFInfo
- Publication number
- CN104005893A CN104005893A CN201410244622.9A CN201410244622A CN104005893A CN 104005893 A CN104005893 A CN 104005893A CN 201410244622 A CN201410244622 A CN 201410244622A CN 104005893 A CN104005893 A CN 104005893A
- Authority
- CN
- China
- Prior art keywords
- piston
- analogue
- analogue body
- screw rod
- bomb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Testing Of Engines (AREA)
Abstract
The invention discloses a wall surface variable impingent spray testing constant volume bomb and belongs to the technical field of internal combustion engines. An oil injector installation device is arranged on a bomb upper cover of the constant volume bomb in a covering mode; an oil injector is assembled inside the oil injector installation device; the bottom of the bomb upper cover is also provided with an inverted-cone-shaped combustion chamber top surface simulation body; the oil injector is fixed by the combustion chamber top surface simulation body and the oil injector installation device; a central position on the upper portion of a bomb lower cover is provided with a piston simulation body; the combustion chamber top surface simulation body and the piston simulation body are arranged inside a bomb main body. The wall surface variable impingent spray testing constant volume bomb has the advantages of being flexible in structure due to the fact that structures of the oil injector installation device and the combustion chamber top surface simulation body can be adjusted according to experimental requirements; achieving spray impingent experiments at different oil injection moments due to the fact that the piston position can be adjusted through the piston simulation body and a piston simulation body adjusting device; meanwhile reducing experimental costs due to the fact that the piston simulation body can be flexibly replaced according to the experimental requirements.
Description
Technical field
The invention belongs to technical field of internal combustion engines, be specifically related to the variable rebuffed spray testing constant volume body of a kind of wall, can carry out different rebuffed spray testings according to the variation of engine piston structure and piston position.
Background technique
Gasoline in-cylinder direct injection technology improved motor fuel economy, reduced pollutant emission level, especially under partial load condition, by Stratified charge lean burn technology, reduce fuel consume.Because the most cylinder diameter of petrol engine is less, so adopt in-cylinder direct injection technology Spray Impingement phenomenon inevitable.Spray Impingement can be strengthened intensification and the evaporation process of fuel oil, and clashing into broken fuel oil has increased the area contacting with firing chamber, and the air whirl of near wall accelerated the diffusion of spray stream, has improved the mixability of fuel oil and air.Simultaneously, after Spray Impingement, at wall, formed oil film, thereby there is drop secondary-atomizing phenomenon, cause that evaporation rate declines, part fuel oil has even departed from main combustion phase, and drop is oxidized, the form that has increased unburned hydrocarbons is discharged, especially in engine cold-start and low speed, underrun operating mode.
Summary of the invention
The present invention is in order further to reduce the development cost of combustion system of engine, analyze Spray Impingement phenomenon, provide a kind of wall variable rebuffed atomizing test constant-volume elastomer, in the time of can realizing different piston positions and different piston-top surface structural type in simulated engine cylinder, fuel oil oil beam jetted and piston-top surface mates, described constant volume body structure is flexible, has certain actual application value.
Technological scheme provided by the invention is: the rebuffed atomizing test constant-volume elastomer that a kind of wall is variable, the body upper cover and the body lower cover that comprise body main body and be connected to body main body top and bottom, body main body is for circumferentially having the hollow structure of four openings, each opening is fixed on silica glass in body main body by silica glass flange, and by silica glass, realizes the sealing of each opening.On body, cover and be provided with oil sprayer erecting device, oil sprayer is assemblied in this oil sprayer erecting device, body upper cover bottom is also provided with the firing chamber end face analogue body of inverted cone, firing chamber end face analogue body and the common fixing fuel injector of oil sprayer erecting device, under body, upper part of the cover central position is also provided with piston analogue body, and firing chamber end face analogue body and piston analogue body are all positioned at body body interior; Body upper cover end face is provided with temperature transducer, heater, pressure transducer, air inlet connecting exchange device and oil sprayer erecting device by the body upper cover mounting hole of circumferential arrangement, the below that is positioned at piston analogue body on body lower cover central position is provided with piston analogue body controlling device, piston analogue body controlling device is connected with piston analogue body by screw rod, and body lower cover end face is provided with the measurement of venting gas appliance and piston analogue body temperature and wall-film and is regulated control wiring by the body lower cover mounting hole of circumferential arrangement.
Described piston analogue body controlling device comprises revolves core base and piston analogue body pallet, revolves the below that core base is arranged on body lower cover, and screw rod lower end is fixed on the center portion of revolving core base, and screw rod upper end is connected with piston analogue body pallet through body lower cover.Revolve core base and can drive screw rod rotation, piston analogue body pallet is spun on screw rod and with screw rod and rotates, and piston analogue body is driven and moved up and down in body main body by piston analogue body controlling device and screw rod.
The described core base top of revolving is provided with supporting rib, and piston analogue body tray bottom is provided with helicoid, and the initial rising of piston analogue body pallet on screw rod that cooperatively interacted of supporting rib and helicoid moved.
Between described silica glass and body main body, body seal ring is housed, further guarantees sealing effect.
Compared with prior art, tool of the present invention has the following advantages:
1, rebuffed atomizing test constant-volume elastomer provided by the invention, can adjust experimental gas temperature and the composition of body inside jointly by heater, air inlet connecting exchange device and venting gas appliance, guaranteed carrying out smoothly of experiment.
2, in the middle of rebuffed atomizing test constant-volume elastomer upper cover provided by the present invention, be provided with oil sprayer erecting device, this device can be adjusted flexibly according to different oil sprayer profiles, has reduced experimental cost.
3, rebuffed atomizing test constant-volume elastomer upper cover provided by the present invention bottom is provided with firing chamber end face analogue body, and its structure can need to adjust according to experiment, and flexible structure, has reduced experimental cost.
4, rebuffed atomizing test constant-volume elastomer lower cover provided by the present invention center is provided with piston analogue body and piston analogue body controlling device, can regulate the position of piston, completes different oil spouts Spray Wall-Impingement experiment constantly; Can need to change flexibly piston analogue body according to experiment simultaneously, reduce experimental cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of constant volume body of the present invention;
Fig. 2 revolves the structural representation of core base in constant volume body of the present invention;
Fig. 3 is the structural representation of piston analogue body pallet in constant volume body of the present invention.
In figure:
1. body main body; 2. body upper cover; 3. body lower cover; 101. opening;
4. firing chamber end face analogue body; 5. oil sprayer erecting device; 6. oil sprayer; 7. silica glass;
8. silica glass flange; 9. body upper cover mounting hole; 10. body upper cover set screw;
11. body lower cover mounting holes; 12. body lower cover set screws; 13. piston analogue bodies;
14. piston analogue body controlling devices; 15. body seal rings; 16. revolve core base; 17. screw rods;
18. supporting ribs; 19. piston analogue body pallets; 20. helicoids; 21. positioning bars.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and the protection domain of technical solution of the present invention is not limited to this.
As shown in Figure 1, the invention provides the variable rebuffed atomizing test constant-volume elastomer of a kind of wall, comprise body main body 1, body main body 1 is the hollow structure that circumferential wall has four openings 101, each opening 101 is fixed on silica glass 7 in body main body 1 by silica glass flange 8, between silica glass 7 and body main body 1, body seal ring 15 is housed, can further guarantees its sealing effect.
Body upper cover 2 and body lower cover 3 are connected to respectively top and the bottom of body main body 1 by body upper cover set screw 10 and body lower cover set screw 12, realize sealing.On body upper cover 2, be also provided with oil sprayer erecting device 5, oil sprayer erecting device 5 is fixed on body upper cover 2 central positions by screw thread, oil sprayer 6 is assemblied in this oil sprayer erecting device 5, the inner hole structure of oil sprayer erecting device 5 is to design according to the external structure of oil sprayer 6, match with the external shape of oil sprayer 6, make oil sprayer 6 stretch into body main body 1 inside by oil sprayer erecting device 5; The outer ring of oil sprayer erecting device 5 is threaded with body upper cover 2.Body upper cover 2 internal surfaces are also connected with the firing chamber end face analogue body 4 of inverted cone, firing chamber end face analogue body 4 is positioned at body main body 1 inside, (structure of firing chamber end face analogue body 4 can specifically be adjusted according to real engine chamber structure, as the structures such as paulin top type of lower end surface indent), firing chamber end face analogue body 4 and the common fixing fuel injector 6 of oil sprayer erecting device 5, oil sprayer 6, through the top of firing chamber end face analogue body 4, has sprayed spray testing in firing chamber; Body upper cover 2 end face circumferential arrangement have 6 body upper cover mounting holes 9, be used for respectively mounting temperature sensor, heater, pressure transducer, air inlet connecting exchange device and oil sprayer erecting device 5, temperature transducer and pressure transducer are measured the temperature and pressure of the test gas of body main body 1 inside respectively, heater need to heat the test gas of body main body 1 inside according to test, and air inlet connecting exchange device makes body main body 1 inner space be full of the test gas of simulated engine gas in the jar composition for test.
The bottom surface of described firing chamber end face analogue body 4 has flanged connecting structure, and by this flanged connecting structure, described firing chamber end face analogue body 4 bolts is connected on body upper cover 2.The top structure of described firing chamber end face analogue body 4, is generally taper pinnacle, and according to different chamber structures, the structure type that can be also other by top design, for the free-ended while of fixing fuel injector 6, can adjust its structure as required.
The central position on body lower cover 3 tops is also provided with piston analogue body 13 and piston analogue body controlling device 14, piston analogue body 13 is positioned at body main body 1 inside, can change according to different engine piston structures, piston analogue body controlling device 14 is located at the below of piston analogue body 13, and be positioned at body main body 1 outside, piston analogue body controlling device 14 is connected with piston analogue body 13 by screw rod 17, body lower cover 3 end face circumferential arrangement have 4～6 body lower cover mounting holes 11, be used for respectively installing the measurement of venting gas appliance and piston analogue body temperature and wall-film and regulate control wiring, wherein the waste gas of body main body 1 closed test after finishing discharges to keep each expeimental cartridge phosphor bodies 1 inside to have identical gas condition from venting gas appliance.
As shown in Figures 2 and 3, piston analogue body controlling device 14 comprises revolves core base 16 and piston analogue body pallet 19, revolving core base 16 is arranged on the below of body lower cover 3 and is fixed on the outer surface of body lower cover 3, the bottom of screw rod 17 is fixed on the center portion of revolving core base 16, revolve core base 16 and can drive screw rod 17 rotations, piston analogue body pallet 19 internal whorls coordinate with screw rod 17 external screw-threads and realize and moving up and down with screw rod 17 rotations, and piston analogue body 13 is driven and moved up and down in body main body 1 by piston analogue body controlling device 14 and screw rod 17; Piston analogue body 13 is seated on piston analogue body pallet 19 corresponding recesses having with piston analogue body 13 bottoms to three positioning bars 21 of upper process by the piston analogue body pallet 19 upper-end surfaces location of matching, revolve core base 16 tops and be provided with supporting rib 18, piston analogue body pallet 19 bottoms are provided with helicoid 20, and the initial rising of piston analogue body pallet 19 on screw rod 17 that cooperatively interacted of supporting rib 18 and helicoid 20 moved.
Claims (5)
1. the rebuffed atomizing test constant-volume elastomer that wall is variable, the body upper cover and the body lower cover that comprise body main body and be connected to body main body top and bottom, it is characterized in that: body main body is for circumferentially having the hollow structure of four openings, each opening is fixed on silica glass in body main body by silica glass flange, and by silica glass, realizes the sealing of each opening; On body, cover and be provided with oil sprayer erecting device, oil sprayer is assemblied in this oil sprayer erecting device, body upper cover bottom is also provided with firing chamber end face analogue body, firing chamber end face analogue body and the common fixing fuel injector of oil sprayer erecting device, under body, upper part of the cover central position is also provided with piston analogue body, and firing chamber end face analogue body and piston analogue body are all positioned at body body interior; Body upper cover end face is provided with temperature transducer, heater, pressure transducer, air inlet connecting exchange device and oil sprayer erecting device by the body upper cover mounting hole of circumferential arrangement, the below that is positioned at piston analogue body on body lower cover central position is provided with piston analogue body controlling device, piston analogue body controlling device is connected with piston analogue body by screw rod, and body lower cover end face is provided with the measurement of venting gas appliance and piston analogue body temperature and wall-film and is regulated control wiring by the body lower cover mounting hole of circumferential arrangement.
2. the variable rebuffed atomizing test constant-volume elastomer of a kind of wall according to claim 1, it is characterized in that: described piston analogue body controlling device comprises revolves core base and piston analogue body pallet, revolve core base and be arranged on the below of body lower cover, screw rod lower end is fixed on the center portion of revolving core base, and screw rod upper end is connected with piston analogue body pallet through body lower cover; Revolve core base and can drive screw rod rotation, piston analogue body pallet is spun on screw rod and with screw rod and rotates, and piston analogue body is driven and moved up and down in body main body by piston analogue body controlling device and screw rod.
3. the variable rebuffed atomizing test constant-volume elastomer of a kind of wall according to claim 2, it is characterized in that: described in revolve core base top and be provided with supporting rib, piston analogue body tray bottom is provided with helicoid, and the initial rising of piston analogue body pallet on screw rod that cooperatively interacted of supporting rib and helicoid moved.
4. the variable rebuffed atomizing test constant-volume elastomer of a kind of wall according to claim 1, is characterized in that: body seal ring is housed between described silica glass and phosphor bodies.
5. the variable rebuffed atomizing test constant-volume elastomer of a kind of wall according to claim 1, is characterized in that: described firing chamber end face analogue body structure is specifically adjusted according to real engine chamber structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244622.9A CN104005893B (en) | 2014-06-04 | 2014-06-04 | The rebuffed atomizing test constant-volume elastomer that a kind of wall is variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244622.9A CN104005893B (en) | 2014-06-04 | 2014-06-04 | The rebuffed atomizing test constant-volume elastomer that a kind of wall is variable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104005893A true CN104005893A (en) | 2014-08-27 |
| CN104005893B CN104005893B (en) | 2016-09-07 |
Family
ID=51366732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244622.9A Active CN104005893B (en) | 2014-06-04 | 2014-06-04 | The rebuffed atomizing test constant-volume elastomer that a kind of wall is variable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005893B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330520A (en) * | 2014-10-30 | 2015-02-04 | 西北工业大学 | Testing device and testing method of constant volume combustion of solid propellant |
| CN105571872A (en) * | 2016-01-25 | 2016-05-11 | 中国科学技术大学 | Visible engine combustion chamber simulation experiment device |
| CN105699091A (en) * | 2016-04-08 | 2016-06-22 | 西华大学 | Testing device suitable for constant volume napalm bomb |
| CN105841968A (en) * | 2016-04-26 | 2016-08-10 | 江苏大学 | Device for spray-wall impingement combustion experiment in constant volume bomb |
| CN106353098A (en) * | 2016-09-20 | 2017-01-25 | 哈尔滨工程大学 | Constant volume bomb for diesel spraying and burning visualization experiment |
| CN106525443A (en) * | 2016-10-25 | 2017-03-22 | 北京工业大学 | Multifunctional combustion testing device and method for simulating engine conditions |
| CN107304743A (en) * | 2016-04-25 | 2017-10-31 | 西北农林科技大学 | A kind of constant volume bullet device and operating method for realizing vacuum spraying |
| CN107631880A (en) * | 2017-08-31 | 2018-01-26 | 北京理工大学 | The attached wall film combustion experimental provision and method to be ignited based on spray burning |
| CN109459243A (en) * | 2019-01-03 | 2019-03-12 | 大连理工大学 | A kind of change oil stream amount spray burning constant volume system of temperature-controllable |
| CN109538390A (en) * | 2017-09-21 | 2019-03-29 | 北京比特英泰动力技术有限公司 | A kind of oily beam radical occlusion device of multiple orifice nozzle |
| CN109724807A (en) * | 2018-12-25 | 2019-05-07 | 江苏大学 | It Spray Wall-Impingement angle and is rebuffed apart from adjustable experimental provision and installation method in a kind of constant volume combustion bomb |
| CN113217248A (en) * | 2021-06-02 | 2021-08-06 | 江门市大长江集团有限公司 | Motorcycle, fuel injection amount control method and device, and computer readable storage medium |
| CN113565662A (en) * | 2020-04-28 | 2021-10-29 | 广州汽车集团股份有限公司 | Device and method for measuring wall collision amount of engine fuel injector spray |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335537A (en) * | 2001-05-17 | 2002-02-13 | 上海交通大学 | Real-time acquisition system for high speed transient spraying image |
| US20030177823A1 (en) * | 2001-03-06 | 2003-09-25 | Eberhard Schoeffel | Method, computer program, and device for measuring the amount injected by an injection system |
| CN101571090A (en) * | 2009-06-04 | 2009-11-04 | 北京航空航天大学 | Fuel injection rule measuring device of diesel engine and measuring method thereof |
| CN201347831Y (en) * | 2008-12-26 | 2009-11-18 | 北京理工大学 | Constant volume spraying simulator for direct injecting diesel engine |
| CN101943097A (en) * | 2010-09-03 | 2011-01-12 | 北京航空航天大学 | Atomizing test constant-volume elastomer |
| CN103244330A (en) * | 2013-05-16 | 2013-08-14 | 大连民族学院 | Novel fuel spray visual experiment device |
| CN103726965A (en) * | 2013-11-19 | 2014-04-16 | 大连民族学院 | Novel device for visible-combustion experiment |
-
2014
- 2014-06-04 CN CN201410244622.9A patent/CN104005893B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030177823A1 (en) * | 2001-03-06 | 2003-09-25 | Eberhard Schoeffel | Method, computer program, and device for measuring the amount injected by an injection system |
| CN1335537A (en) * | 2001-05-17 | 2002-02-13 | 上海交通大学 | Real-time acquisition system for high speed transient spraying image |
| CN201347831Y (en) * | 2008-12-26 | 2009-11-18 | 北京理工大学 | Constant volume spraying simulator for direct injecting diesel engine |
| CN101571090A (en) * | 2009-06-04 | 2009-11-04 | 北京航空航天大学 | Fuel injection rule measuring device of diesel engine and measuring method thereof |
| CN101943097A (en) * | 2010-09-03 | 2011-01-12 | 北京航空航天大学 | Atomizing test constant-volume elastomer |
| CN103244330A (en) * | 2013-05-16 | 2013-08-14 | 大连民族学院 | Novel fuel spray visual experiment device |
| CN103726965A (en) * | 2013-11-19 | 2014-04-16 | 大连民族学院 | Novel device for visible-combustion experiment |
Non-Patent Citations (1)
| Title |
|---|
| 刘宇等: "基于喷雾可视化装置的碰撞喷雾研究", 《内燃机工程》, vol. 29, no. 1, 29 February 2008 (2008-02-29) * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330520B (en) * | 2014-10-30 | 2016-04-27 | 西北工业大学 | A kind of proving installation of solid propellant constant volume combustion and method of testing |
| CN104330520A (en) * | 2014-10-30 | 2015-02-04 | 西北工业大学 | Testing device and testing method of constant volume combustion of solid propellant |
| CN105571872A (en) * | 2016-01-25 | 2016-05-11 | 中国科学技术大学 | Visible engine combustion chamber simulation experiment device |
| CN105699091A (en) * | 2016-04-08 | 2016-06-22 | 西华大学 | Testing device suitable for constant volume napalm bomb |
| CN107304743B (en) * | 2016-04-25 | 2019-06-11 | 西北农林科技大学 | A kind of constant volume bullet device that realizing vacuum spraying and operating method |
| CN107304743A (en) * | 2016-04-25 | 2017-10-31 | 西北农林科技大学 | A kind of constant volume bullet device and operating method for realizing vacuum spraying |
| CN105841968A (en) * | 2016-04-26 | 2016-08-10 | 江苏大学 | Device for spray-wall impingement combustion experiment in constant volume bomb |
| CN105841968B (en) * | 2016-04-26 | 2018-04-13 | 江苏大学 | A kind of device that wall combustion experiment is hit for constant volume bullet internal spraying |
| CN106353098A (en) * | 2016-09-20 | 2017-01-25 | 哈尔滨工程大学 | Constant volume bomb for diesel spraying and burning visualization experiment |
| CN106525443A (en) * | 2016-10-25 | 2017-03-22 | 北京工业大学 | Multifunctional combustion testing device and method for simulating engine conditions |
| CN106525443B (en) * | 2016-10-25 | 2019-01-22 | 北京工业大学 | A kind of the multi-functional combustion test device and test method of simulated engine condition |
| CN107631880A (en) * | 2017-08-31 | 2018-01-26 | 北京理工大学 | The attached wall film combustion experimental provision and method to be ignited based on spray burning |
| CN109538390A (en) * | 2017-09-21 | 2019-03-29 | 北京比特英泰动力技术有限公司 | A kind of oily beam radical occlusion device of multiple orifice nozzle |
| CN109724807A (en) * | 2018-12-25 | 2019-05-07 | 江苏大学 | It Spray Wall-Impingement angle and is rebuffed apart from adjustable experimental provision and installation method in a kind of constant volume combustion bomb |
| CN109459243A (en) * | 2019-01-03 | 2019-03-12 | 大连理工大学 | A kind of change oil stream amount spray burning constant volume system of temperature-controllable |
| CN113565662A (en) * | 2020-04-28 | 2021-10-29 | 广州汽车集团股份有限公司 | Device and method for measuring wall collision amount of engine fuel injector spray |
| CN113217248A (en) * | 2021-06-02 | 2021-08-06 | 江门市大长江集团有限公司 | Motorcycle, fuel injection amount control method and device, and computer readable storage medium |
| CN113217248B (en) * | 2021-06-02 | 2022-08-16 | 江门市大长江集团有限公司 | Motorcycle, fuel injection amount control method and device, and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104005893B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104005893A (en) | Wall surface variable impingent spray testing constant volume bomb | |
| CN101943097B (en) | Atomizing test constant-volume elastomer | |
| CN109469559A (en) | The integrated ejector filler of liquid-propellant rocket engine | |
| CN106014667A (en) | Fuel control system of engine | |
| WO2017170693A1 (en) | Device for controlling flow inside combustion chamber | |
| RU2011134663A (en) | TURBOCHARGE COMBUSTION CHAMBER WALL WITH SINGLE RING ROW ROW OF OPENINGS FOR INPUT OF PRIMARY AND MIXING AIR | |
| CN107795410B (en) | A kind of experiment stopper formula dipulse engine | |
| SE524347C2 (en) | Internal combustion engine | |
| CN105089777A (en) | Engine system having radial fuel injection | |
| CN103470404B (en) | Fuel gas injection position and nozzle number variset | |
| CN209342377U (en) | A kind of the constant volume combustion bomb device and its control system of analog turbulent motion | |
| CN105179111A (en) | Gas/dual-fuel engine intake manifold gas injection device | |
| CN102213136B (en) | Engine having fuel injection induced combustion chamber mixing | |
| CN103982350A (en) | Needle valve component for fuel injection device | |
| CN203532101U (en) | Device with variable fuel gas injection position and number of nozzles | |
| CN102734025A (en) | A fluid injection device | |
| CN109238725B (en) | Constant volume combustion bomb device capable of simulating turbulent motion and control system thereof | |
| CN103114944B (en) | Device for motor capable of mixing gas fuel with air | |
| CN203271954U (en) | Device for mixing gas fuel for engine with air | |
| CN207922287U (en) | Directional type high-pressure burner | |
| CN105397680A (en) | Tool clamp for aircraft engine cyclone atomization test | |
| CN106353099B (en) | A kind of sealing pressure-resistant apparatus for installing constant volume bullet fuel injector | |
| CN101451463B (en) | Fuel oil uniform mixing and burning system of double air ports diesel engine | |
| CN202611962U (en) | Fuel injection pump plunger sleeve assembly | |
| CN106917869B (en) | A kind of Double-conical-surface glass window applied to high-pressure bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170417 Address after: 100191 Beijing, Xueyuan Road, No. 37, inside the Patentee after: Beijing northern sky long hawk UAV Technology Co. Ltd. Address before: 100191 Haidian District, Xueyuan Road, No. 37, Patentee before: Beihang University |